On Sat, Mar 22, 2014 at 04:31:22PM -0600, Theo de Raadt wrote:
> > > Date: Sat, 22 Mar 2014 21:49:19 +0100 (CET)
> > > From: remi.loche...@relo.ch
> > > 
> > >   With the snapshot from March 22 the volume keys on my ThinkPad
> > >   x201 do not work anymore. mixerctl still works. Before I was
> > >   running the snapshot from Feb 3 with which the volume keys
> > >   worked.
> > 
> > The volume keys still work.  What changed is that the volume keys no
> > longer control the hardware mixer directly anymore when you're running
> > X.  Instead the volume key events are passed to whatever X application
> > is running.  If you're running mplayer, you'll see that the volume
> > keys still control the volume and give you feedback on the screen.  If
> > you run gnome, you'll see something similar.
> > 
> > The problem you might experience is that the x201 boots up with the
> > hardware mixer set to a fairly low level.  And the software volume
> > control in most X applications won't change it so you won't be able to
> > go any higher by just pressing the volume keys.
> 
> So we should take all our hardware mixers, and crank them to full
> volume right at boot time.
> 

IMO, this is the best option.

If hardware mixer is too loud, we can attenuate the sound in
software. The opposite in not possible, we can't increase the
volume in software if the hardware is too quiet.

> Except that would be bad.  So this indicates that the new mixer layer
> has a problem.

Hardware defaults are too quiet, they have always been too quiet.

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